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一种区分纳米颗粒光散射和光吸收的简单方法。

A simple method to distinguish light scattering from light absorption by nanoparticles.

作者信息

Menichetti Arianna, Mordini Dario, Rampazzo Enrico, Pane Agata, Vicenzi Silvia, Petropoulos Vasilis, Cerullo Giulio, Mancin Fabrizio, Montalti Marco

机构信息

Dipartimento di Chimica "Giacomo Ciamician" Via Selmi 2 40126 Bologna Italy

Dipartimento di Fisica, Politecnico di Milano Milano 20133 Italy.

出版信息

Nanoscale Adv. 2025 Sep 24. doi: 10.1039/d5na00194c.

DOI:10.1039/d5na00194c
PMID:41001664
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12459033/
Abstract

Photothermal efficiencies of natural and biomimetic melanin nanoparticles are compared. In order to justify the different behaviour, a preliminary investigation of the light scattering and light absorption properties of the NPs was performed using a simple new method based on a conventional fluorometer without the use of any integrating sphere.

摘要

比较了天然和仿生黑色素纳米颗粒的光热效率。为了解释不同的行为，使用一种基于传统荧光计的简单新方法，在不使用任何积分球的情况下，对纳米颗粒的光散射和光吸收特性进行了初步研究。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/cb81be9cdc85/d5na00194c-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/efc0818c068c/d5na00194c-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/ac5e38eaa99a/d5na00194c-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/b61fa027ac34/d5na00194c-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/fc63fe21d7ca/d5na00194c-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/367bb9b53561/d5na00194c-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/cb81be9cdc85/d5na00194c-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/efc0818c068c/d5na00194c-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/ac5e38eaa99a/d5na00194c-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/b61fa027ac34/d5na00194c-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/fc63fe21d7ca/d5na00194c-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/367bb9b53561/d5na00194c-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9e56/12459033/cb81be9cdc85/d5na00194c-f6.jpg

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本文引用的文献

1
Photochemical Pathways and Light-Enhanced Radical Scavenging Activity of 1,8-Dihydroxynaphthalene Allomelanin.1,8-二羟基萘类黑色素的光化学途径及光增强自由基清除活性
J Am Chem Soc. 2025 Mar 19;147(11):10031-10043. doi: 10.1021/jacs.5c01855. Epub 2025 Mar 7.
2
Sub-50 fs Formation of Charge Transfer States Rules the Fate of Photoexcitations in Eumelanin-Like Materials.亚50飞秒电荷转移态的形成决定了类真黑素材料中光激发的命运。
J Phys Chem Lett. 2024 Apr 4;15(13):3639-3645. doi: 10.1021/acs.jpclett.4c00170. Epub 2024 Mar 26.
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The dual nature of biomimetic melanin.
仿生黑色素的双重性质。
Nanoscale. 2023 Dec 21;16(1):299-308. doi: 10.1039/d3nr04696f.
4
Photothermal Nanomaterials: A Powerful Light-to-Heat Converter.光热纳米材料：一种强大的光热转换材料。
Chem Rev. 2023 Jun 14;123(11):6891-6952. doi: 10.1021/acs.chemrev.3c00159. Epub 2023 May 3.
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Review of Antimicrobial Nanocoatings in Medicine and Dentistry: Mechanisms of Action, Biocompatibility Performance, Safety, and Benefits Compared to Antibiotics.医学和牙科抗菌纳米涂层的综述：与抗生素相比，其作用机制、生物相容性表现、安全性和益处。
ACS Nano. 2023 Apr 25;17(8):7064-7092. doi: 10.1021/acsnano.2c12488. Epub 2023 Apr 7.
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Fluorescent Carbon Dots from Food Industry By-Products for Cell Imaging.用于细胞成像的食品工业副产品荧光碳点
J Funct Biomater. 2023 Feb 7;14(2):90. doi: 10.3390/jfb14020090.
7
Melanin-like Nanoparticles as an Alternative to Natural Melanin in Retinal Pigment Epithelium Cells and Their Therapeutic Effects against Age-Related Macular Degeneration.类黑色素纳米颗粒作为视网膜色素上皮细胞中天然黑色素的替代品及其对年龄相关性黄斑变性的治疗作用。
ACS Nano. 2022 Nov 22;16(11):19412-19422. doi: 10.1021/acsnano.2c09087. Epub 2022 Oct 21.
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Reversible Supramolecular Noncovalent Self-Assembly Determines the Optical Properties and the Formation of Melanin-like Nanoparticles.可逆超分子非共价自组装决定了光学性质和类黑色素纳米颗粒的形成。
J Phys Chem Lett. 2022 Oct 27;13(42):9829-9833. doi: 10.1021/acs.jpclett.2c02239. Epub 2022 Oct 17.
9
Integrating-Sphere-Assisted Resonance Synchronous Spectroscopy for the Quantification of Material Double-Beam UV-Vis Absorption and Scattering Extinction.积分球辅助共振同步光谱法用于定量测量材料双光束紫外-可见吸收和散射消光。
Anal Chem. 2022 Aug 23;94(33):11610-11618. doi: 10.1021/acs.analchem.2c02037. Epub 2022 Aug 12.
10
Nanoparticle Self-Assembly: From Design Principles to Complex Matter to Functional Materials.纳米粒子自组装：从设计原理到复杂物质到功能材料。
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